DB-EnginesExtremeDB: database for embedded systemsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Amazon Aurora vs. Impala vs. KeyDB vs. Microsoft SQL Server

System Properties Comparison Amazon Aurora vs. Impala vs. KeyDB vs. Microsoft SQL Server

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameAmazon Aurora  Xexclude from comparisonImpala  Xexclude from comparisonKeyDB  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparison
DescriptionMySQL and PostgreSQL compatible cloud service by AmazonAnalytic DBMS for HadoopAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsMicrosofts flagship relational DBMS
Primary database modelRelational DBMSRelational DBMSKey-value storeRelational DBMS
Secondary database modelsDocument storeDocument storeDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score10.57
Rank#44  Overall
#28  Relational DBMS
Score19.56
Rank#36  Overall
#22  Relational DBMS
Score0.28
Rank#274  Overall
#41  Key-value stores
Score981.95
Rank#3  Overall
#3  Relational DBMS
Websiteaws.amazon.com/­rds/­aurorawww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmlgithub.com/­JohnSully/­KeyDB
keydb.dev
www.microsoft.com/­en-us/­sql-server
Technical documentationdocs.aws.amazon.com/­AmazonRDS/­latest/­AuroraUserGuide/­CHAP_Aurora.htmldocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmldocs.keydb.devdocs.microsoft.com/­en-US/­sql/­sql-server
DeveloperAmazonClouderaEQ Alpha Technology Ltd.Microsoft
Initial release2015201320191989
Current release3.4.0, April 2020SQL Server 2019, November 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2Open Source infoBSD-3commercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++C++
Server operating systemshostedLinuxLinuxLinux
Windows
Data schemeyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yesnonoyes
Secondary indexesyesyesyes infoby using the Redis Search moduleyes
SQL infoSupport of SQLyesSQL-like DML and DDL statementsnoyes
APIs and other access methodsADO.NET
JDBC
ODBC
JDBC
ODBC
Proprietary protocol infoRESP - REdis Serialization ProtocoADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Supported programming languagesAda
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
All languages supporting JDBC/ODBCC
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Server-side scripts infoStored proceduresyesyes infouser defined functions and integration of map-reduceLuaTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Java
Triggersyesnonoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingShardingtables can be distributed across several files (horizontal partitioning); sharding through federation
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationselectable replication factorMulti-source replication
Source-replica replication
yes, but depending on the SQL-Server Edition
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoquery execution via MapReducenono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyEventual Consistency
Strong eventual consistency with CRDTs
Immediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoOptimistic locking, atomic execution of commands blocks and scriptsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users, groups and roles infobased on Apache Sentry and Kerberossimple password-based access control and ACLfine grained access rights according to SQL-standard

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesFivetran: Quickly and easily centralize your on-premise and cloud databases.
» more

DBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
» more

Navicat for SQL Server gives you a fully graphical approach to database management and development.
» more

Navicat Monitor is a safe, simple and agentless remote server monitoring tool for SQL Server and many other database management systems.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Amazon AuroraImpalaKeyDBMicrosoft SQL Server
DB-Engines blog posts

Cloud-based DBMS's popularity grows at high rates
12 December 2019, Paul Andlinger

The popularity of cloud-based DBMSs has increased tenfold in four years
7 February 2017, Matthias Gelbmann

Amazon - the rising star in the DBMS market
3 August 2015, Matthias Gelbmann

show all

MySQL is the DBMS of the Year 2019
3 January 2020, Matthias Gelbmann, Paul Andlinger

The struggle for the hegemony in Oracle's database empire
2 May 2017, Paul Andlinger

Microsoft SQL Server is the DBMS of the Year
4 January 2017, Matthias Gelbmann, Paul Andlinger

show all

Recent citations in the news

Commvault Announces Support for AWS for Health Initiative
20 July 2021, Markets Insider

Fit for purpose: The case for the purpose-built database
26 July 2021, The Register

Best SQL course 2021: Top online classes
26 July 2021, Texasnewstoday.com

Amdocs Recognized with Amazon Web Services Global Public
29 June 2021, GlobeNewswire

AWS Announces Amazon Aurora Supports PostgreSQL 12 (infoq.com)
7 February 2021, InfoQ.com

provided by Google News

Cloudera Boosts Hadoop App Development On Impala
10 November 2014, InformationWeek

Cloudera’s Impala brings Hadoop to SQL and BI
25 October 2012, ZDNet

Cloudera's a data warehouse player now
28 August 2018, ZDNet

Man Busts Out of Google, Rebuilds Top-Secret Query Machine
24 October 2012, Wired

Unravel Data Adds Native Support for Impala and Kafka
29 June 2017, insideBIGDATA

provided by Google News

Here are the 98 companies from Y Combinator’s Summer 2020 Demo Day 1
24 August 2020, TechCrunch

Eight startups selected for latest Canadian Technology Accelerator Digital in Silicon Valley
8 April 2021, BetaKit

This Blu-ray Disc needs a library for AACS decoding for VLC Media Player
6 February 2019, TWCN Tech News

The ten hottest enterprise cloud services of 2020 (so far)
12 August 2020, CRN Australia

AWS Announces General Availability of the Sixth Generation of Amazon EC2 Instances Powered By AWS Graviton2 Processors
11 June 2020, Business Wire

provided by Google News

SQL Server on Linux Storage Secrets | Data Exposed - Microsoft
27 July 2021, Channel 9

Online IT Training Leader ITU Online Announces Microsoft SQL Server 2019 Course Offering
27 July 2021, EIN News

Microsoft cancels plans to deliver SQL Server on Windows Containers
6 July 2021, ZDNet

DH2i Extends SQL Server Platform to Containers
20 July 2021, Container Journal

So You Need To Move Off SQL Server 2016
20 July 2021, Redmondmag.com

provided by Google News

Job opportunities

Senior Enterprise DBA (Work from Anywhere)
Businessolver, Colorado

Sr. Software Development Manager - Aurora Storage
Amazon.com Services LLC, Seattle, WA

Database Administrator
Decisiv Inc, Reston, VA

Senior WW GTM - Amazon DynamoDB
Amazon Web Services, Inc., East Palo Alto, CA

Database Developer
Wizards of the Coast, Renton, WA

Business Intelligence Developer
Early Warning Services, Scottsdale, AZ

Analyst/Senior Analyst, Digital Analytics and Reporting
American Airlines, Fort Worth, TX

Tableau Developer
Capgemini, Chicago, IL

Data Engineer
Simplex Software, Remote

Sr. DBA/Architect
Michaels, Dallas-Fort Worth, TX

Engineering Manager
Akamai, Santa Clara, CA

Senior Software Engineer - Perl
Ambra Health, United States

SQL Server DBA/Developer
QSROnline, Corpus Christi, TX

SQL Server Developer/BI Developer
ANB Sourcing LLC, Clearwater, FL

Sr. SQL Server DBA
Piper Companies, Remote

SQL Server DBA
Quality Software Systems, Inc, Remote

SQL Server Database Administrator - Information Management
Costco Wholesale, Seattle, WA

jobs by Indeed



Share this page

Featured Products

Vertica logo

The fastest unified analytical warehouse at extreme scale with in-database machine learning. Try Vertica for free with no time limit.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Present your product here